Weather on August 21 in Hanoi
Historical weather data for August 21 in Hanoi, Vietnam
Avg High33°C (91°F)
Avg Low26°C (79°F)
Warmest199131°C
Coldest202627°C
Based on 47 years of data from HA DONG
About This Date
August 21st in Hanoi, Vietnam typically brings hot summer weather, with average highs around 33°C and lows near 26°C. Over 47 years of records, the warmest August 21st was in 1991 (31°C average), while the coldest was 2026 (27°C) — a 8°F range across recorded history. Rain or other precipitation has occurred on about 26% of August 21st dates historically, with the wettest August 21st recording 1.99" of rain.
Planning for August 21st in Hanoi? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 27°C (80°F) | 26°C (79°F) | -- |
| 2025 | -- | 27°C (80°F) | 2 mm |
| 2024 | -- | 27°C (80°F) | 38 mm |
| 2023 | -- | 26°C (78°F) | 0 mm |
| 2022 | 31°C (88°F) | 25°C (77°F) | 47 mm |
| 2021 | -- | 28°C (83°F) | -- |
| 2020 | -- | 24°C (76°F) | 51 mm |
| 2019 | 30°C (86°F) | 26°C (78°F) | 8 mm |
| 2018 | -- | 27°C (81°F) | -- |
| 2017 | -- | 27°C (80°F) | -- |
| 2016 | -- | 25°C (77°F) | 44 mm |
| 2015 | -- | 27°C (80°F) | 0 mm |
| 2014 | 33°C (91°F) | 26°C (78°F) | 0 mm |
| 2013 | 31°C (88°F) | -- | 0 mm |
| 2012 | 32°C (89°F) | -- | 0 mm |
| 2011 | 33°C (91°F) | -- | 2 mm |
| 2010 | 32°C (90°F) | -- | 4 mm |
| 2009 | 33°C (91°F) | -- | 0 mm |
| 2008 | 35°C (95°F) | 27°C (81°F) | 0 mm |
| 2007 | 36°C (96°F) | -- | 0 mm |
| 2006 | 33°C (92°F) | -- | 0 mm |
| 2005 | 35°C (95°F) | -- | 0 mm |
| 2004 | 34°C (94°F) | -- | 0 mm |
| 2003 | 34°C (93°F) | 26°C (78°F) | 0 mm |
| 2002 | 31°C (87°F) | -- | 2 mm |
| 2001 | 33°C (92°F) | 27°C (81°F) | 0 mm |
| 2000 | 36°C (96°F) | -- | 0 mm |
| 1999 | 34°C (93°F) | -- | -- |
| 1998 | 33°C (92°F) | 26°C (78°F) | 0 mm |
| 1997 | 35°C (95°F) | 27°C (81°F) | 0 mm |
| 1996 | 33°C (92°F) | 26°C (79°F) | 0 mm |
| 1995 | 29°C (85°F) | -- | 42 mm |
| 1994 | 32°C (89°F) | -- | 1 mm |
| 1993 | 35°C (95°F) | -- | 48 mm |
| 1992 | 34°C (93°F) | -- | 0 mm |
| 1991 | 36°C (96°F) | 27°C (80°F) | 0 mm |
| 1989 | 33°C (92°F) | 27°C (80°F) | 0 mm |
| 1988 | 35°C (95°F) | -- | 0 mm |
| 1987 | 33°C (91°F) | 26°C (78°F) | -- |
| 1985 | -- | 26°C (79°F) | -- |
| 1984 | 34°C (93°F) | -- | -- |
| 1983 | 32°C (89°F) | -- | -- |
| 1982 | 31°C (87°F) | 26°C (78°F) | -- |
| 1978 | -- | 26°C (79°F) | -- |
| 1977 | -- | 26°C (79°F) | -- |
| 1976 | 33°C (91°F) | 27°C (81°F) | -- |
| 1975 | 32°C (90°F) | -- | -- |